Win XP SP3 Pro ENG (With Dutch interface pack).
There were some small 'utilities' installed. Nothing fancy, but I couldn't apply a background image any-more (also see: http://answers.yahoo.com/question/index?qid=20111103095823AAstxSt - Unable to Change Desktop Background After Virus Attack?).
No traces of virii are left any-more, even the background works just fine again. Verified with: Panda Cloud antivirus, Free PC Tools Spyware Doctor, Malware Byte's Anti-Malware, Kaspersky IS 2012, Superantispyware and the logfile of The Avenger Version 2.0 all say the system is clean too!
BUT throughout troubleshooting, Combofix always reacted in the same way on this computer: it will not show any more new messages after the notice that it will start scanning, and that this might take 10 minutes or more.
Hard disk becomes silent, no action there. The XP system will become either very sluggish OR seems to react just fine. BUT starting programs, ending programs, starting task manager - it ALWAYS fails once combofix enters the scanning state... :s
Also, when I start Combofix, it kills explorer with a send error report dialogue.
There are no logs created, but I do have a C:\Combofix (which redirects to My Computer).
Any suggestions for what it is I can do next?
Thank you :)
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PS: of course, chkdsk c: /f /v /x gives clean results. Same for sfc /scannow. TuneUp Utilities 2010 is installed, with registry cleanup. No temp files exist (fcleaner + Cleanup! by Steven Gould).
Edited by hamluis, 27 November 2011 - 01:12 PM.
Moved from XP to AV, Firewall, etc.